/*
 * Copyright 2010 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.websocket;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Set;

/**
 * Implements a v76 handshake for WebSocket.
 */
public class V76Handshake extends DraftHandshake {

  @Override
  protected int getDraftNumber() {
    return -1;
  }

  @Override
  protected WebSocket createWebSocket(InputStream in, OutputStream out,
      Set<Extension> extensions) throws IOException {
    if (extensions != null && !extensions.isEmpty()) {
      throw new IOException("V76 doesn't support extensions");
    }
    return new V76WebSocket(in, out);
  }
}
